LDialogColor::DoModalHue

#include "ltwrappr.h"

virtual L_INT LDialogColor::DoModalHue(hWndOwner)

Displays the Hue dialog box, and gets the options for LBitmap::ChangeHue.

Parameters

HWND hWndOwner

Handle of the window which owns the dialog.

Returns

Value Meaning
SUCCESS_DLG_OK The "OK" button was pressed, and the dialog exited successfully.
SUCCESS_DLG_CANCEL The "Cancel" button was pressed, and the dialog exited successfully.
< 1 An error occurred. Refer to Return Codes.

Comments

LDialogColor::SetHueParams must be called before using this function to set the initial values for the dialog. You can get the updated HUEDLGPARAMS with the values entered by the user through the dialog by using LDialogColor::GetHueParams.

The Hue dialog.

Required DLLs and Libraries

See Also

Functions

Topics

Example

L_INT LDialogColor_DoModalHueExample(LBitmap * pBitmap, HWND hWnd) 
{ 
   L_INT nRet; 
 
   LDialogColor DlgColor; 
 
   nRet = DlgColor.Initialize(DLG_INIT_COLOR ); 
   if(nRet != SUCCESS) 
      return nRet; 
 
   DlgColor.SetBitmap(pBitmap); 
 
   HUEDLGPARAMS DlgParams;  
 
   memset ( &DlgParams, 0, sizeof ( HUEDLGPARAMS ) ) ; 
 
   DlgParams.uStructSize      = sizeof ( HUEDLGPARAMS ) ; 
 
   DlgColor.EnableCallBack (FALSE); 
   DlgColor.EnablePreview(TRUE); 
   DlgColor.EnableAutoProcess(TRUE); 
   DlgColor.EnableToolbar(TRUE); 
 
   nRet = DlgColor.SetHueParams(&DlgParams) ; 
   if(nRet != SUCCESS) 
      return nRet; 
 
   nRet = DlgColor.DoModalHue(hWnd); 
   if(nRet < 1) 
      return nRet; 
 
   nRet = DlgColor.GetHueParams(&DlgParams, sizeof(DlgParams)) ; 
   if(nRet != SUCCESS) 
      return nRet; 
 
   nRet = DlgColor.Free(); 
   if(nRet != SUCCESS) 
      return nRet; 
 
   return nRet; 
} 
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